Home / 38,742.92-58,099.79-30,519.80

Finding the Fourth Proportional to 38,742.92, 58,099.79 and 30,519.80

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Solution

The fourth proportional to 38,742.92, 58,099.79 and 30,519.80 is: 45,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,742.92 : 58,099.79 = 30,519.80 : x
  2. Step 2: Convert to fraction form
    38,742.92/58,099.79 = 30,519.80/x
  3. Step 3: Cross multiply
    38,742.92x = 58,099.79 × 30,519.80
  4. Step 4: Simplify right side
    38,742.92x = 1,773,193,756.64
  5. Step 5: Solve for x
    x = 1,773,193,756.64/38,742.92
  6. Step 6: Final answer
    x = 45,768.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.